input[type='checkbox'].checkbix {
    position: absolute;
    opacity: 0;
    z-index: -1;
}

input[type='checkbox'].checkbix + label {
    position: relative;
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    color: inherit;
    -webkit-transition: all 250ms cubic-bezier(.4, .0, .23, 1);
    transition: all 250ms cubic-bezier(.4, .0, .23, 1);
    margin-bottom: .15rem;
}

input[type='checkbox'].checkbix + label > span {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    margin-right: .5em;
    width: 16px;
    height: 16px;
    background: transparent;
    border: .1rem solid #333;
    border-radius: 1px;
    cursor: pointer;
    -webkit-transition: all 250ms cubic-bezier(.4, .0, .23, 1);
    transition: all 250ms cubic-bezier(.4, .0, .23, 1);
    position: relative;
}

input[type='checkbox'].checkbix:focus + label > span {
    outline: 0;
    border-color: rgb(0, 20, 20);
    box-shadow: 0 0 0 1px rgba(0, 20, 20, .5);
}

input[type='checkbox'].checkbix:checked + label > span {
    background: #5ECD62;
    border: .1rem solid transparent;
    -webkit-animation: reveal 200ms cubic-bezier(.4, .0, .5, 1);
    animation: reveal 200ms cubic-bezier(.4, .0, .5, 1);
}

input[type='checkbox'].checkbix:checked + label > span:before {
    content: "";
    position: absolute;
    top: 0;
    left: 22%;
    margin-left: auto;
    margin-right: auto;
    border-right: 2px solid transparent;
    border-bottom: 2px solid transparent;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    -webkit-transform-origin: 0% 100%;
    transform-origin: 0% 100%;
    -webkit-animation: checkboxcheck 125ms 50ms cubic-bezier(.1, .0, .1, 1) forwards;
    animation: checkboxcheck 125ms 50ms cubic-bezier(.1, .0, .1, 1) forwards;
}

@-webkit-keyframes reveal {
    0% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    33% {
        -webkit-transform: scale(.5);
        transform: scale(.5);
    }
    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes reveal {
    0% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    33% {
        -webkit-transform: scale(.5);
        transform: scale(.5);
    }
    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@-webkit-keyframes checkboxcheck {
    0% {
        width: 0;
        height: 0;
        border-color: white;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    33% {
        width: .2em;
        height: .3em;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    100% {
        width: .2em;
        height: .4em;
        border-color: white;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
}

@keyframes checkboxcheck {
    0% {
        width: 0;
        height: 0;
        border-color: white;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    33% {
        width: .2em;
        height: .3em;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    100% {
        width: .2em;
        height: .4em;
        border-color: white;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
}

/* Size */
input[type='checkbox'].checkbix[data-size='large'] + label > span {
    width: 24px;
    height: 24px;
}

input[type='checkbox'].checkbix[data-size='large'] + label > span:before {
    -webkit-animation: checkboxchecklarge 125ms 50ms cubic-bezier(.1, .0, .1, 1) forwards;
    animation: checkboxchecklarge 125ms 50ms cubic-bezier(.1, .0, .1, 1) forwards;
    border-right: 3px solid transparent;
    border-bottom: 3px solid transparent;
}

@-webkit-keyframes checkboxchecklarge {
    0% {
        width: 0;
        height: 0;
        border-color: white;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    33% {
        width: .3em;
        height: .6em;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    100% {
        width: .3em;
        height: .6em;
        border-color: white;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
}

@keyframes checkboxchecklarge {
    0% {
        width: 0;
        height: 0;
        border-color: white;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    33% {
        width: .3em;
        height: .6em;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    100% {
        width: .3em;
        height: .6em;
        border-color: white;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
}

/* Shape */
input[type='checkbox'].checkbix[data-shape='circled'] + label > span {
    border-radius: 100%;
}

/* Colors */
input[type='checkbox'].checkbix[data-color='black']:checked + label > span {
    background: #111;
}

input[type='checkbox'].checkbix[data-color='blue']:checked + label > span {
    background: #0074D9;
}

input[type='checkbox'].checkbix[data-color='red']:checked + label > span {
    background: #FF4136;
}

input[type='checkbox'].checkbix[data-color='gray']:checked + label > span {
    background: #AAAAAA;
}

input[type='checkbox'].checkbix[data-color='orange']:checked + label > span {
    background: #FF851B;
}

